44S 



INDEX. 



Slater. II. II., on the bone-cnvern.>< 

 of I{odriguez, .■J(>4. 



Smitli, R A., on I'inaxia, 300; on 

 Japanese (iasteropoda, 414. 



Sphivnogona, new .species of, liW. 



Splneria, new species of, .'{9. 



Sphioroiua, new species of, 180. 



S{)<in<res, new. 11. "J, 17<'>, .*?77. 



Stebbing, Kev. T. 11. K., on the 

 genns IJathyporeia, 74 ; on some 

 new exotic sessile-eyed Crusta- 

 ceans, 184. 



Stilbuiu, new species of, 33. 



Stimpsoniella Emersonii, on, 442. 



Stuxberjr, A., on new North- Ameri- 

 can Lithobioidne, 188. 



Stylorhynehi, on a remarkable phase 

 of sporulation in the, 3()8. 



Symphyletes, new species of, 71. 



Svrski, M., on the reproductive or- 

 'gansof the Eels, 304. 



Teeth of the Newt, Frog, Slowworni, 

 and Green Lizards, on the develop- 

 ment of the, 153 ; of the Ophidia, 

 155. 



Temnocephala chilensis, on the geo- 

 graphical distribution of, .■{.'{( J. 



Terebra, new species of, 415. 



Terias, new species of, 390. 



Thamniscus, new species of, 3.35. 



Thracia, new species of, 52. 



Thury, M., on the action of light on 

 the development of the young of 

 Frogs, 370. 



Thysunoprynma, description of the 

 new genus, 400. 



Tillodontia, characters of the new 

 order, 307. 



Titurius, characters of the genus, 03. 



Tomes, C. S., on the development of 

 the teeth of the Newt, Frog, Slow- 

 worm, and Green Lizards, 153 ; 

 on the structure and development 

 of the teeth of Ophidia, 155. 



Tonicclla marmorea, on, 442. 



Tophdderes, new species of, 412. 



Tracliichthys, new species of, 78. 



Trachyceplialus, description of the 

 new genus, 128. 



Trachydermon, observations on some 

 .species of, 442. 



Traquair, Dr. li. 11., on the structure 



and systematic position of the 



genus Clieirolepis, 2ij7 ; on some 



fo!<sil fishes, 258. 

 Trielmstoum, new species of, 402. 

 Trichinopus, description of the new 



genus, 408. 

 Trigonia, on a third new tertiary 



species of, 310. 

 Tryphocharia, new .species of, 01. 

 Tunieata, on the eniorvogenv of the, 



.•521. 

 Tvlenchus millefolii, on, .342. 

 Unibellularia, on some voung stage.*) 



of, .312. 

 Tracanthus, new species of, 02. 

 Uromyces, new species of, .30. 

 Ussow's, M., zoologico-embryological 



investigations, 97, 209, 317. 

 \'arieties, do they wear out or tend 



to wear out 'f, 192. 

 Venturia, new species of, 40. 

 \'eniis, new species of, 40. 

 Vertebrata and Annelida, on the re- 

 lationship of the, 94. 

 Villot, A., on the peripheral nervous 



system of the marine Nemati)ids, 



2':35. 

 Vithora, new species of, 137. 

 "Walden, ^'iscount, on new species of 



birds from Burma, 400. 

 Wallich, Dr. G. C, on the Ithizopod.s, 



.".70. 

 NN'ardichthys, description of the new 



genus, 202. 

 Waterhou.se, C. 0., on new genera 



and species of Coleoptera, 403. 

 Willeniues-Suhm, Dr. li. von, on 



somevoungstagesof I iiibellularia, 



312. ' 

 Wood-Mason, J., on the genus Dei- 



damia, 1.31 ; on the geographical 



distribution of Temnocephala chi- 

 lensis, 3.'j0. 

 Young, Messrs., on new Carboniferous 



Polyzoa, 333. 

 Zeller, Dr. F., on Leucochloridium 



paradox um and tlie migrations of 



various Distoma, 102. 

 Zoophytes, new genera and species 



of, i72. 



END OF THE FIFTEENTH VOLUME. 



PItlNlI. I' BY T.W'LOU AM) FRANCIS, 

 RED I.IU.V COIICT, FUEtT STREET. 



